Home / 145,008.32-217,561.80-45,191.12

Finding the Fourth Proportional to 145,008.32, 217,561.80 and 45,191.12

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Solution

The fourth proportional to 145,008.32, 217,561.80 and 45,191.12 is: 67,802.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,008.32 : 217,561.80 = 45,191.12 : x
  2. Step 2: Convert to fraction form
    145,008.32/217,561.80 = 45,191.12/x
  3. Step 3: Cross multiply
    145,008.32x = 217,561.80 × 45,191.12
  4. Step 4: Simplify right side
    145,008.32x = 9,831,861,411.22
  5. Step 5: Solve for x
    x = 9,831,861,411.22/145,008.32
  6. Step 6: Final answer
    x = 67,802.05

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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.