Home / 153,734.25-212,162.77-84,823.38

Finding the Fourth Proportional to 153,734.25, 212,162.77 and 84,823.38

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Solution

The fourth proportional to 153,734.25, 212,162.77 and 84,823.38 is: 117,061.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,734.25 : 212,162.77 = 84,823.38 : x
  2. Step 2: Convert to fraction form
    153,734.25/212,162.77 = 84,823.38/x
  3. Step 3: Cross multiply
    153,734.25x = 212,162.77 × 84,823.38
  4. Step 4: Simplify right side
    153,734.25x = 17,996,361,988.69
  5. Step 5: Solve for x
    x = 17,996,361,988.69/153,734.25
  6. Step 6: Final answer
    x = 117,061.50

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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.