Home / 127,139.42-190,476.56-59,547.35

Finding the Fourth Proportional to 127,139.42, 190,476.56 and 59,547.35

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Solution

The fourth proportional to 127,139.42, 190,476.56 and 59,547.35 is: 89,212.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,139.42 : 190,476.56 = 59,547.35 : x
  2. Step 2: Convert to fraction form
    127,139.42/190,476.56 = 59,547.35/x
  3. Step 3: Cross multiply
    127,139.42x = 190,476.56 × 59,547.35
  4. Step 4: Simplify right side
    127,139.42x = 11,342,375,010.18
  5. Step 5: Solve for x
    x = 11,342,375,010.18/127,139.42
  6. Step 6: Final answer
    x = 89,212.10

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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.