Home / 125,020.76-172,526.91-71,306.67

Finding the Fourth Proportional to 125,020.76, 172,526.91 and 71,306.67

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Solution

The fourth proportional to 125,020.76, 172,526.91 and 71,306.67 is: 98,402.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,020.76 : 172,526.91 = 71,306.67 : x
  2. Step 2: Convert to fraction form
    125,020.76/172,526.91 = 71,306.67/x
  3. Step 3: Cross multiply
    125,020.76x = 172,526.91 × 71,306.67
  4. Step 4: Simplify right side
    125,020.76x = 12,302,319,437.49
  5. Step 5: Solve for x
    x = 12,302,319,437.49/125,020.76
  6. Step 6: Final answer
    x = 98,402.22

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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.