Home / 127,019.64-175,285.74-70,430.52

Finding the Fourth Proportional to 127,019.64, 175,285.74 and 70,430.52

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Solution

The fourth proportional to 127,019.64, 175,285.74 and 70,430.52 is: 97,193.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,019.64 : 175,285.74 = 70,430.52 : x
  2. Step 2: Convert to fraction form
    127,019.64/175,285.74 = 70,430.52/x
  3. Step 3: Cross multiply
    127,019.64x = 175,285.74 × 70,430.52
  4. Step 4: Simplify right side
    127,019.64x = 12,345,465,816.78
  5. Step 5: Solve for x
    x = 12,345,465,816.78/127,019.64
  6. Step 6: Final answer
    x = 97,193.36

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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.