Home / 212,156.08-292,755.36-126,108.16

Finding the Fourth Proportional to 212,156.08, 292,755.36 and 126,108.16

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Solution

The fourth proportional to 212,156.08, 292,755.36 and 126,108.16 is: 174,017.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,156.08 : 292,755.36 = 126,108.16 : x
  2. Step 2: Convert to fraction form
    212,156.08/292,755.36 = 126,108.16/x
  3. Step 3: Cross multiply
    212,156.08x = 292,755.36 × 126,108.16
  4. Step 4: Simplify right side
    212,156.08x = 36,918,839,779.74
  5. Step 5: Solve for x
    x = 36,918,839,779.74/212,156.08
  6. Step 6: Final answer
    x = 174,017.35

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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.