Home / 160,454.04-221,421.49-87,853.74

Finding the Fourth Proportional to 160,454.04, 221,421.49 and 87,853.74

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Solution

The fourth proportional to 160,454.04, 221,421.49 and 87,853.74 is: 121,235.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,454.04 : 221,421.49 = 87,853.74 : x
  2. Step 2: Convert to fraction form
    160,454.04/221,421.49 = 87,853.74/x
  3. Step 3: Cross multiply
    160,454.04x = 221,421.49 × 87,853.74
  4. Step 4: Simplify right side
    160,454.04x = 19,452,706,012.87
  5. Step 5: Solve for x
    x = 19,452,706,012.87/160,454.04
  6. Step 6: Final answer
    x = 121,235.38

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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.