Home / 127,145.84-175,461.40-70,557.20

Finding the Fourth Proportional to 127,145.84, 175,461.40 and 70,557.20

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Solution

The fourth proportional to 127,145.84, 175,461.40 and 70,557.20 is: 97,369.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,145.84 : 175,461.40 = 70,557.20 : x
  2. Step 2: Convert to fraction form
    127,145.84/175,461.40 = 70,557.20/x
  3. Step 3: Cross multiply
    127,145.84x = 175,461.40 × 70,557.20
  4. Step 4: Simplify right side
    127,145.84x = 12,380,065,092.08
  5. Step 5: Solve for x
    x = 12,380,065,092.08/127,145.84
  6. Step 6: Final answer
    x = 97,369.01

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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.