Home / 104,412.64-144,090.52-56,666.40

Finding the Fourth Proportional to 104,412.64, 144,090.52 and 56,666.40

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Solution

The fourth proportional to 104,412.64, 144,090.52 and 56,666.40 is: 78,200.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,412.64 : 144,090.52 = 56,666.40 : x
  2. Step 2: Convert to fraction form
    104,412.64/144,090.52 = 56,666.40/x
  3. Step 3: Cross multiply
    104,412.64x = 144,090.52 × 56,666.40
  4. Step 4: Simplify right side
    104,412.64x = 8,165,091,042.53
  5. Step 5: Solve for x
    x = 8,165,091,042.53/104,412.64
  6. Step 6: Final answer
    x = 78,200.22

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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.