Home / 157,688.20-236,570.10-52,508.08

Finding the Fourth Proportional to 157,688.20, 236,570.10 and 52,508.08

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Solution

The fourth proportional to 157,688.20, 236,570.10 and 52,508.08 is: 78,774.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,688.20 : 236,570.10 = 52,508.08 : x
  2. Step 2: Convert to fraction form
    157,688.20/236,570.10 = 52,508.08/x
  3. Step 3: Cross multiply
    157,688.20x = 236,570.10 × 52,508.08
  4. Step 4: Simplify right side
    157,688.20x = 12,421,841,736.41
  5. Step 5: Solve for x
    x = 12,421,841,736.41/157,688.20
  6. Step 6: Final answer
    x = 78,774.71

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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.