Home / 160,036.84-220,855.22-88,421.39

Finding the Fourth Proportional to 160,036.84, 220,855.22 and 88,421.39

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Solution

The fourth proportional to 160,036.84, 220,855.22 and 88,421.39 is: 122,023.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,036.84 : 220,855.22 = 88,421.39 : x
  2. Step 2: Convert to fraction form
    160,036.84/220,855.22 = 88,421.39/x
  3. Step 3: Cross multiply
    160,036.84x = 220,855.22 × 88,421.39
  4. Step 4: Simplify right side
    160,036.84x = 19,528,325,541.16
  5. Step 5: Solve for x
    x = 19,528,325,541.16/160,036.84
  6. Step 6: Final answer
    x = 122,023.94

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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.