Home / 160,342.34-221,269.12-88,718.09

Finding the Fourth Proportional to 160,342.34, 221,269.12 and 88,718.09

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Solution

The fourth proportional to 160,342.34, 221,269.12 and 88,718.09 is: 122,429.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,342.34 : 221,269.12 = 88,718.09 : x
  2. Step 2: Convert to fraction form
    160,342.34/221,269.12 = 88,718.09/x
  3. Step 3: Cross multiply
    160,342.34x = 221,269.12 × 88,718.09
  4. Step 4: Simplify right side
    160,342.34x = 19,630,572,374.24
  5. Step 5: Solve for x
    x = 19,630,572,374.24/160,342.34
  6. Step 6: Final answer
    x = 122,429.13

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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.