Home / 127,102.02-175,421.67-70,531.62

Finding the Fourth Proportional to 127,102.02, 175,421.67 and 70,531.62

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Solution

The fourth proportional to 127,102.02, 175,421.67 and 70,531.62 is: 97,345.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,102.02 : 175,421.67 = 70,531.62 : x
  2. Step 2: Convert to fraction form
    127,102.02/175,421.67 = 70,531.62/x
  3. Step 3: Cross multiply
    127,102.02x = 175,421.67 × 70,531.62
  4. Step 4: Simplify right side
    127,102.02x = 12,372,774,568.21
  5. Step 5: Solve for x
    x = 12,372,774,568.21/127,102.02
  6. Step 6: Final answer
    x = 97,345.22

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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.