Home / 105,002.85-157,504.28-38,445.15

Finding the Fourth Proportional to 105,002.85, 157,504.28 and 38,445.15

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Solution

The fourth proportional to 105,002.85, 157,504.28 and 38,445.15 is: 57,667.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,002.85 : 157,504.28 = 38,445.15 : x
  2. Step 2: Convert to fraction form
    105,002.85/157,504.28 = 38,445.15/x
  3. Step 3: Cross multiply
    105,002.85x = 157,504.28 × 38,445.15
  4. Step 4: Simplify right side
    105,002.85x = 6,055,275,478.02
  5. Step 5: Solve for x
    x = 6,055,275,478.02/105,002.85
  6. Step 6: Final answer
    x = 57,667.73

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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.