Home / 238,902.06-358,341.03-89,130.63

Finding the Fourth Proportional to 238,902.06, 358,341.03 and 89,130.63

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Solution

The fourth proportional to 238,902.06, 358,341.03 and 89,130.63 is: 133,691.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,902.06 : 358,341.03 = 89,130.63 : x
  2. Step 2: Convert to fraction form
    238,902.06/358,341.03 = 89,130.63/x
  3. Step 3: Cross multiply
    238,902.06x = 358,341.03 × 89,130.63
  4. Step 4: Simplify right side
    238,902.06x = 31,939,161,758.75
  5. Step 5: Solve for x
    x = 31,939,161,758.75/238,902.06
  6. Step 6: Final answer
    x = 133,691.45

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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.