Home / 156,275.60-215,661.36-84,655.62

Finding the Fourth Proportional to 156,275.60, 215,661.36 and 84,655.62

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Solution

The fourth proportional to 156,275.60, 215,661.36 and 84,655.62 is: 116,825.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,275.60 : 215,661.36 = 84,655.62 : x
  2. Step 2: Convert to fraction form
    156,275.60/215,661.36 = 84,655.62/x
  3. Step 3: Cross multiply
    156,275.60x = 215,661.36 × 84,655.62
  4. Step 4: Simplify right side
    156,275.60x = 18,256,946,140.84
  5. Step 5: Solve for x
    x = 18,256,946,140.84/156,275.60
  6. Step 6: Final answer
    x = 116,825.31

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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.