Home / 125,090.90-172,555.40-74,053.83

Finding the Fourth Proportional to 125,090.90, 172,555.40 and 74,053.83

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Solution

The fourth proportional to 125,090.90, 172,555.40 and 74,053.83 is: 102,152.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,090.90 : 172,555.40 = 74,053.83 : x
  2. Step 2: Convert to fraction form
    125,090.90/172,555.40 = 74,053.83/x
  3. Step 3: Cross multiply
    125,090.90x = 172,555.40 × 74,053.83
  4. Step 4: Simplify right side
    125,090.90x = 12,778,387,886.91
  5. Step 5: Solve for x
    x = 12,778,387,886.91/125,090.90
  6. Step 6: Final answer
    x = 102,152.82

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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.