Home / 102,756.01-141,798.95-64,535.53

Finding the Fourth Proportional to 102,756.01, 141,798.95 and 64,535.53

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Solution

The fourth proportional to 102,756.01, 141,798.95 and 64,535.53 is: 89,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,756.01 : 141,798.95 = 64,535.53 : x
  2. Step 2: Convert to fraction form
    102,756.01/141,798.95 = 64,535.53/x
  3. Step 3: Cross multiply
    102,756.01x = 141,798.95 × 64,535.53
  4. Step 4: Simplify right side
    102,756.01x = 9,151,070,069.02
  5. Step 5: Solve for x
    x = 9,151,070,069.02/102,756.01
  6. Step 6: Final answer
    x = 89,056.30

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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.