Home / 157,478.18-236,148-57,612.47

Finding the Fourth Proportional to 157,478.18, 236,148 and 57,612.47

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Solution

The fourth proportional to 157,478.18, 236,148 and 57,612.47 is: 86,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,478.18 : 236,148 = 57,612.47 : x
  2. Step 2: Convert to fraction form
    157,478.18/236,148 = 57,612.47/x
  3. Step 3: Cross multiply
    157,478.18x = 236,148 × 57,612.47
  4. Step 4: Simplify right side
    157,478.18x = 13,605,068,384.82
  5. Step 5: Solve for x
    x = 13,605,068,384.82/157,478.18
  6. Step 6: Final answer
    x = 86,393.36

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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.