Home / 162,048.10-243,072.15-104,967.40

Finding the Fourth Proportional to 162,048.10, 243,072.15 and 104,967.40

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Solution

The fourth proportional to 162,048.10, 243,072.15 and 104,967.40 is: 157,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,048.10 : 243,072.15 = 104,967.40 : x
  2. Step 2: Convert to fraction form
    162,048.10/243,072.15 = 104,967.40/x
  3. Step 3: Cross multiply
    162,048.10x = 243,072.15 × 104,967.40
  4. Step 4: Simplify right side
    162,048.10x = 25,514,651,597.91
  5. Step 5: Solve for x
    x = 25,514,651,597.91/162,048.10
  6. Step 6: Final answer
    x = 157,451.10

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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.