Home / 91,430.61-126,119.07-60,386.05

Finding the Fourth Proportional to 91,430.61, 126,119.07 and 60,386.05

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Solution

The fourth proportional to 91,430.61, 126,119.07 and 60,386.05 is: 83,296.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,430.61 : 126,119.07 = 60,386.05 : x
  2. Step 2: Convert to fraction form
    91,430.61/126,119.07 = 60,386.05/x
  3. Step 3: Cross multiply
    91,430.61x = 126,119.07 × 60,386.05
  4. Step 4: Simplify right side
    91,430.61x = 7,615,832,466.97
  5. Step 5: Solve for x
    x = 7,615,832,466.97/91,430.61
  6. Step 6: Final answer
    x = 83,296.31

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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.