Home / 157,587.71-235,152.47-140,603.97

Finding the Fourth Proportional to 157,587.71, 235,152.47 and 140,603.97

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Solution

The fourth proportional to 157,587.71, 235,152.47 and 140,603.97 is: 209,809.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,587.71 : 235,152.47 = 140,603.97 : x
  2. Step 2: Convert to fraction form
    157,587.71/235,152.47 = 140,603.97/x
  3. Step 3: Cross multiply
    157,587.71x = 235,152.47 × 140,603.97
  4. Step 4: Simplify right side
    157,587.71x = 33,063,370,837.31
  5. Step 5: Solve for x
    x = 33,063,370,837.31/157,587.71
  6. Step 6: Final answer
    x = 209,809.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.