Home / 145,949.28-201,275.64-92,140.80

Finding the Fourth Proportional to 145,949.28, 201,275.64 and 92,140.80

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Solution

The fourth proportional to 145,949.28, 201,275.64 and 92,140.80 is: 127,069.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,949.28 : 201,275.64 = 92,140.80 : x
  2. Step 2: Convert to fraction form
    145,949.28/201,275.64 = 92,140.80/x
  3. Step 3: Cross multiply
    145,949.28x = 201,275.64 × 92,140.80
  4. Step 4: Simplify right side
    145,949.28x = 18,545,698,490.11
  5. Step 5: Solve for x
    x = 18,545,698,490.11/145,949.28
  6. Step 6: Final answer
    x = 127,069.48

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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.