Home / 118,328.16-163,292.82-64,613.40

Finding the Fourth Proportional to 118,328.16, 163,292.82 and 64,613.40

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Solution

The fourth proportional to 118,328.16, 163,292.82 and 64,613.40 is: 89,166.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,328.16 : 163,292.82 = 64,613.40 : x
  2. Step 2: Convert to fraction form
    118,328.16/163,292.82 = 64,613.40/x
  3. Step 3: Cross multiply
    118,328.16x = 163,292.82 × 64,613.40
  4. Step 4: Simplify right side
    118,328.16x = 10,550,904,295.79
  5. Step 5: Solve for x
    x = 10,550,904,295.79/118,328.16
  6. Step 6: Final answer
    x = 89,166.47

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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.