Home / 212,430.91-293,160.80-115,641.04

Finding the Fourth Proportional to 212,430.91, 293,160.80 and 115,641.04

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Solution

The fourth proportional to 212,430.91, 293,160.80 and 115,641.04 is: 159,587.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,430.91 : 293,160.80 = 115,641.04 : x
  2. Step 2: Convert to fraction form
    212,430.91/293,160.80 = 115,641.04/x
  3. Step 3: Cross multiply
    212,430.91x = 293,160.80 × 115,641.04
  4. Step 4: Simplify right side
    212,430.91x = 33,901,418,488.12
  5. Step 5: Solve for x
    x = 33,901,418,488.12/212,430.91
  6. Step 6: Final answer
    x = 159,587.98

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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.