Home / 127,011.60-175,275.72-70,421.52

Finding the Fourth Proportional to 127,011.60, 175,275.72 and 70,421.52

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Solution

The fourth proportional to 127,011.60, 175,275.72 and 70,421.52 is: 97,181.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,011.60 : 175,275.72 = 70,421.52 : x
  2. Step 2: Convert to fraction form
    127,011.60/175,275.72 = 70,421.52/x
  3. Step 3: Cross multiply
    127,011.60x = 175,275.72 × 70,421.52
  4. Step 4: Simplify right side
    127,011.60x = 12,343,182,621.49
  5. Step 5: Solve for x
    x = 12,343,182,621.49/127,011.60
  6. Step 6: Final answer
    x = 97,181.54

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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.