Home / 160,214.28-221,095.13-90,358.03

Finding the Fourth Proportional to 160,214.28, 221,095.13 and 90,358.03

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Solution

The fourth proportional to 160,214.28, 221,095.13 and 90,358.03 is: 124,693.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,214.28 : 221,095.13 = 90,358.03 : x
  2. Step 2: Convert to fraction form
    160,214.28/221,095.13 = 90,358.03/x
  3. Step 3: Cross multiply
    160,214.28x = 221,095.13 × 90,358.03
  4. Step 4: Simplify right side
    160,214.28x = 19,977,720,389.39
  5. Step 5: Solve for x
    x = 19,977,720,389.39/160,214.28
  6. Step 6: Final answer
    x = 124,693.76

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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.