Home / 158,352.50-218,530.70-89,436.44

Finding the Fourth Proportional to 158,352.50, 218,530.70 and 89,436.44

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Solution

The fourth proportional to 158,352.50, 218,530.70 and 89,436.44 is: 123,424.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,352.50 : 218,530.70 = 89,436.44 : x
  2. Step 2: Convert to fraction form
    158,352.50/218,530.70 = 89,436.44/x
  3. Step 3: Cross multiply
    158,352.50x = 218,530.70 × 89,436.44
  4. Step 4: Simplify right side
    158,352.50x = 19,544,607,547.08
  5. Step 5: Solve for x
    x = 19,544,607,547.08/158,352.50
  6. Step 6: Final answer
    x = 123,424.68

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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.