Home / 127,098.05-175,395.47-70,509.42

Finding the Fourth Proportional to 127,098.05, 175,395.47 and 70,509.42

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Solution

The fourth proportional to 127,098.05, 175,395.47 and 70,509.42 is: 97,303.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,098.05 : 175,395.47 = 70,509.42 : x
  2. Step 2: Convert to fraction form
    127,098.05/175,395.47 = 70,509.42/x
  3. Step 3: Cross multiply
    127,098.05x = 175,395.47 × 70,509.42
  4. Step 4: Simplify right side
    127,098.05x = 12,367,032,507.78
  5. Step 5: Solve for x
    x = 12,367,032,507.78/127,098.05
  6. Step 6: Final answer
    x = 97,303.09

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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.