Home / 118,511.29-163,547.94-64,799.65

Finding the Fourth Proportional to 118,511.29, 163,547.94 and 64,799.65

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Solution

The fourth proportional to 118,511.29, 163,547.94 and 64,799.65 is: 89,424.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,511.29 : 163,547.94 = 64,799.65 : x
  2. Step 2: Convert to fraction form
    118,511.29/163,547.94 = 64,799.65/x
  3. Step 3: Cross multiply
    118,511.29x = 163,547.94 × 64,799.65
  4. Step 4: Simplify right side
    118,511.29x = 10,597,849,270.22
  5. Step 5: Solve for x
    x = 10,597,849,270.22/118,511.29
  6. Step 6: Final answer
    x = 89,424.81

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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.