Home / 149,666.08-224,538.04-74,783.20

Finding the Fourth Proportional to 149,666.08, 224,538.04 and 74,783.20

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Solution

The fourth proportional to 149,666.08, 224,538.04 and 74,783.20 is: 112,194.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,666.08 : 224,538.04 = 74,783.20 : x
  2. Step 2: Convert to fraction form
    149,666.08/224,538.04 = 74,783.20/x
  3. Step 3: Cross multiply
    149,666.08x = 224,538.04 × 74,783.20
  4. Step 4: Simplify right side
    149,666.08x = 16,791,673,152.93
  5. Step 5: Solve for x
    x = 16,791,673,152.93/149,666.08
  6. Step 6: Final answer
    x = 112,194.25

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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.