Home / 125,429.90-173,080.23-70,988.18

Finding the Fourth Proportional to 125,429.90, 173,080.23 and 70,988.18

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Solution

The fourth proportional to 125,429.90, 173,080.23 and 70,988.18 is: 97,956.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,429.90 : 173,080.23 = 70,988.18 : x
  2. Step 2: Convert to fraction form
    125,429.90/173,080.23 = 70,988.18/x
  3. Step 3: Cross multiply
    125,429.90x = 173,080.23 × 70,988.18
  4. Step 4: Simplify right side
    125,429.90x = 12,286,650,521.68
  5. Step 5: Solve for x
    x = 12,286,650,521.68/125,429.90
  6. Step 6: Final answer
    x = 97,956.31

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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.