Home / 160,298.34-221,210.03-87,700.55

Finding the Fourth Proportional to 160,298.34, 221,210.03 and 87,700.55

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Solution

The fourth proportional to 160,298.34, 221,210.03 and 87,700.55 is: 121,025.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,298.34 : 221,210.03 = 87,700.55 : x
  2. Step 2: Convert to fraction form
    160,298.34/221,210.03 = 87,700.55/x
  3. Step 3: Cross multiply
    160,298.34x = 221,210.03 × 87,700.55
  4. Step 4: Simplify right side
    160,298.34x = 19,400,240,409.72
  5. Step 5: Solve for x
    x = 19,400,240,409.72/160,298.34
  6. Step 6: Final answer
    x = 121,025.83

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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.