Home / 127,241.80-175,577.16-70,642.24

Finding the Fourth Proportional to 127,241.80, 175,577.16 and 70,642.24

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Solution

The fourth proportional to 127,241.80, 175,577.16 and 70,642.24 is: 97,477.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,241.80 : 175,577.16 = 70,642.24 : x
  2. Step 2: Convert to fraction form
    127,241.80/175,577.16 = 70,642.24/x
  3. Step 3: Cross multiply
    127,241.80x = 175,577.16 × 70,642.24
  4. Step 4: Simplify right side
    127,241.80x = 12,403,163,875.24
  5. Step 5: Solve for x
    x = 12,403,163,875.24/127,241.80
  6. Step 6: Final answer
    x = 97,477.12

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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.