Home / 153,490.46-211,817.16-88,972.13

Finding the Fourth Proportional to 153,490.46, 211,817.16 and 88,972.13

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Solution

The fourth proportional to 153,490.46, 211,817.16 and 88,972.13 is: 122,781.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,490.46 : 211,817.16 = 88,972.13 : x
  2. Step 2: Convert to fraction form
    153,490.46/211,817.16 = 88,972.13/x
  3. Step 3: Cross multiply
    153,490.46x = 211,817.16 × 88,972.13
  4. Step 4: Simplify right side
    153,490.46x = 18,845,824,425.29
  5. Step 5: Solve for x
    x = 18,845,824,425.29/153,490.46
  6. Step 6: Final answer
    x = 122,781.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.