Home / 89,903.10-134,854.65-45,666.30

Finding the Fourth Proportional to 89,903.10, 134,854.65 and 45,666.30

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Solution

The fourth proportional to 89,903.10, 134,854.65 and 45,666.30 is: 68,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,903.10 : 134,854.65 = 45,666.30 : x
  2. Step 2: Convert to fraction form
    89,903.10/134,854.65 = 45,666.30/x
  3. Step 3: Cross multiply
    89,903.10x = 134,854.65 × 45,666.30
  4. Step 4: Simplify right side
    89,903.10x = 6,158,312,903.30
  5. Step 5: Solve for x
    x = 6,158,312,903.30/89,903.10
  6. Step 6: Final answer
    x = 68,499.45

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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.