Home / 118,184.08-163,097.10-64,470

Finding the Fourth Proportional to 118,184.08, 163,097.10 and 64,470

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Solution

The fourth proportional to 118,184.08, 163,097.10 and 64,470 is: 88,970.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,184.08 : 163,097.10 = 64,470 : x
  2. Step 2: Convert to fraction form
    118,184.08/163,097.10 = 64,470/x
  3. Step 3: Cross multiply
    118,184.08x = 163,097.10 × 64,470
  4. Step 4: Simplify right side
    118,184.08x = 10,514,870,037
  5. Step 5: Solve for x
    x = 10,514,870,037/118,184.08
  6. Step 6: Final answer
    x = 88,970.27

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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.