Home / 121,002.14-181,503.40-47,130.14

Finding the Fourth Proportional to 121,002.14, 181,503.40 and 47,130.14

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Solution

The fourth proportional to 121,002.14, 181,503.40 and 47,130.14 is: 70,695.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,002.14 : 181,503.40 = 47,130.14 : x
  2. Step 2: Convert to fraction form
    121,002.14/181,503.40 = 47,130.14/x
  3. Step 3: Cross multiply
    121,002.14x = 181,503.40 × 47,130.14
  4. Step 4: Simplify right side
    121,002.14x = 8,554,280,652.48
  5. Step 5: Solve for x
    x = 8,554,280,652.48/121,002.14
  6. Step 6: Final answer
    x = 70,695.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.