Home / 125,637.76-173,390.40-75,335.68

Finding the Fourth Proportional to 125,637.76, 173,390.40 and 75,335.68

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Solution

The fourth proportional to 125,637.76, 173,390.40 and 75,335.68 is: 103,969.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,637.76 : 173,390.40 = 75,335.68 : x
  2. Step 2: Convert to fraction form
    125,637.76/173,390.40 = 75,335.68/x
  3. Step 3: Cross multiply
    125,637.76x = 173,390.40 × 75,335.68
  4. Step 4: Simplify right side
    125,637.76x = 13,062,483,689.47
  5. Step 5: Solve for x
    x = 13,062,483,689.47/125,637.76
  6. Step 6: Final answer
    x = 103,969.41

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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.