Home / 124,370.40-171,631.72-70,658.36

Finding the Fourth Proportional to 124,370.40, 171,631.72 and 70,658.36

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Solution

The fourth proportional to 124,370.40, 171,631.72 and 70,658.36 is: 97,508.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,370.40 : 171,631.72 = 70,658.36 : x
  2. Step 2: Convert to fraction form
    124,370.40/171,631.72 = 70,658.36/x
  3. Step 3: Cross multiply
    124,370.40x = 171,631.72 × 70,658.36
  4. Step 4: Simplify right side
    124,370.40x = 12,127,215,001.02
  5. Step 5: Solve for x
    x = 12,127,215,001.02/124,370.40
  6. Step 6: Final answer
    x = 97,508.86

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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.