Home / 118,276.80-163,216.08-64,564.08

Finding the Fourth Proportional to 118,276.80, 163,216.08 and 64,564.08

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Solution

The fourth proportional to 118,276.80, 163,216.08 and 64,564.08 is: 89,095.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,276.80 : 163,216.08 = 64,564.08 : x
  2. Step 2: Convert to fraction form
    118,276.80/163,216.08 = 64,564.08/x
  3. Step 3: Cross multiply
    118,276.80x = 163,216.08 × 64,564.08
  4. Step 4: Simplify right side
    118,276.80x = 10,537,896,046.41
  5. Step 5: Solve for x
    x = 10,537,896,046.41/118,276.80
  6. Step 6: Final answer
    x = 89,095.21

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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.