Home / 145,962.30-201,255.39-102,948.87

Finding the Fourth Proportional to 145,962.30, 201,255.39 and 102,948.87

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Solution

The fourth proportional to 145,962.30, 201,255.39 and 102,948.87 is: 141,947.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,962.30 : 201,255.39 = 102,948.87 : x
  2. Step 2: Convert to fraction form
    145,962.30/201,255.39 = 102,948.87/x
  3. Step 3: Cross multiply
    145,962.30x = 201,255.39 × 102,948.87
  4. Step 4: Simplify right side
    145,962.30x = 20,719,014,981.91
  5. Step 5: Solve for x
    x = 20,719,014,981.91/145,962.30
  6. Step 6: Final answer
    x = 141,947.72

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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.