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Finding the Fourth Proportional to 181,498.70, 272,248.34 and 70,690.70

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Solution

The fourth proportional to 181,498.70, 272,248.34 and 70,690.70 is: 106,036.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,498.70 : 272,248.34 = 70,690.70 : x
  2. Step 2: Convert to fraction form
    181,498.70/272,248.34 = 70,690.70/x
  3. Step 3: Cross multiply
    181,498.70x = 272,248.34 × 70,690.70
  4. Step 4: Simplify right side
    181,498.70x = 19,245,424,013.74
  5. Step 5: Solve for x
    x = 19,245,424,013.74/181,498.70
  6. Step 6: Final answer
    x = 106,036.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.