Home / 242,598.80-334,779.12-135,162.24

Finding the Fourth Proportional to 242,598.80, 334,779.12 and 135,162.24

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Solution

The fourth proportional to 242,598.80, 334,779.12 and 135,162.24 is: 186,519.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,598.80 : 334,779.12 = 135,162.24 : x
  2. Step 2: Convert to fraction form
    242,598.80/334,779.12 = 135,162.24/x
  3. Step 3: Cross multiply
    242,598.80x = 334,779.12 × 135,162.24
  4. Step 4: Simplify right side
    242,598.80x = 45,249,495,764.43
  5. Step 5: Solve for x
    x = 45,249,495,764.43/242,598.80
  6. Step 6: Final answer
    x = 186,519.87

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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.