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Finding the Fourth Proportional to 118,061.60, 177,070.64 and 34,935.84

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Solution

The fourth proportional to 118,061.60, 177,070.64 and 34,935.84 is: 52,397.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,061.60 : 177,070.64 = 34,935.84 : x
  2. Step 2: Convert to fraction form
    118,061.60/177,070.64 = 34,935.84/x
  3. Step 3: Cross multiply
    118,061.60x = 177,070.64 × 34,935.84
  4. Step 4: Simplify right side
    118,061.60x = 6,186,111,547.74
  5. Step 5: Solve for x
    x = 6,186,111,547.74/118,061.60
  6. Step 6: Final answer
    x = 52,397.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.