Home / 124,132.82-171,302.82-70,428.20

Finding the Fourth Proportional to 124,132.82, 171,302.82 and 70,428.20

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Solution

The fourth proportional to 124,132.82, 171,302.82 and 70,428.20 is: 97,190.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,132.82 : 171,302.82 = 70,428.20 : x
  2. Step 2: Convert to fraction form
    124,132.82/171,302.82 = 70,428.20/x
  3. Step 3: Cross multiply
    124,132.82x = 171,302.82 × 70,428.20
  4. Step 4: Simplify right side
    124,132.82x = 12,064,549,267.52
  5. Step 5: Solve for x
    x = 12,064,549,267.52/124,132.82
  6. Step 6: Final answer
    x = 97,190.65

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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.