Home / 149,019.52-223,627.76-70,156.28

Finding the Fourth Proportional to 149,019.52, 223,627.76 and 70,156.28

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Solution

The fourth proportional to 149,019.52, 223,627.76 and 70,156.28 is: 105,280.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,019.52 : 223,627.76 = 70,156.28 : x
  2. Step 2: Convert to fraction form
    149,019.52/223,627.76 = 70,156.28/x
  3. Step 3: Cross multiply
    149,019.52x = 223,627.76 × 70,156.28
  4. Step 4: Simplify right side
    149,019.52x = 15,688,891,746.33
  5. Step 5: Solve for x
    x = 15,688,891,746.33/149,019.52
  6. Step 6: Final answer
    x = 105,280.78

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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.