Home / 151,212.66-208,681.65-84,146.10

Finding the Fourth Proportional to 151,212.66, 208,681.65 and 84,146.10

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Solution

The fourth proportional to 151,212.66, 208,681.65 and 84,146.10 is: 116,126.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,212.66 : 208,681.65 = 84,146.10 : x
  2. Step 2: Convert to fraction form
    151,212.66/208,681.65 = 84,146.10/x
  3. Step 3: Cross multiply
    151,212.66x = 208,681.65 × 84,146.10
  4. Step 4: Simplify right side
    151,212.66x = 17,559,746,989.07
  5. Step 5: Solve for x
    x = 17,559,746,989.07/151,212.66
  6. Step 6: Final answer
    x = 116,126.17

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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.