Home / 160,888.15-222,081.16-99,681.31

Finding the Fourth Proportional to 160,888.15, 222,081.16 and 99,681.31

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Solution

The fourth proportional to 160,888.15, 222,081.16 and 99,681.31 is: 137,594.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,888.15 : 222,081.16 = 99,681.31 : x
  2. Step 2: Convert to fraction form
    160,888.15/222,081.16 = 99,681.31/x
  3. Step 3: Cross multiply
    160,888.15x = 222,081.16 × 99,681.31
  4. Step 4: Simplify right side
    160,888.15x = 22,137,340,955.12
  5. Step 5: Solve for x
    x = 22,137,340,955.12/160,888.15
  6. Step 6: Final answer
    x = 137,594.60

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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.