Home / 124,426.28-171,712.86-70,720.40

Finding the Fourth Proportional to 124,426.28, 171,712.86 and 70,720.40

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Solution

The fourth proportional to 124,426.28, 171,712.86 and 70,720.40 is: 97,596.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,426.28 : 171,712.86 = 70,720.40 : x
  2. Step 2: Convert to fraction form
    124,426.28/171,712.86 = 70,720.40/x
  3. Step 3: Cross multiply
    124,426.28x = 171,712.86 × 70,720.40
  4. Step 4: Simplify right side
    124,426.28x = 12,143,602,144.34
  5. Step 5: Solve for x
    x = 12,143,602,144.34/124,426.28
  6. Step 6: Final answer
    x = 97,596.76

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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.