Home / 160,398.60-221,344.02-87,803.16

Finding the Fourth Proportional to 160,398.60, 221,344.02 and 87,803.16

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Solution

The fourth proportional to 160,398.60, 221,344.02 and 87,803.16 is: 121,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,398.60 : 221,344.02 = 87,803.16 : x
  2. Step 2: Convert to fraction form
    160,398.60/221,344.02 = 87,803.16/x
  3. Step 3: Cross multiply
    160,398.60x = 221,344.02 × 87,803.16
  4. Step 4: Simplify right side
    160,398.60x = 19,434,704,403.10
  5. Step 5: Solve for x
    x = 19,434,704,403.10/160,398.60
  6. Step 6: Final answer
    x = 121,165.05

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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.