Home / 142,484.04-212,673.78-125,674.56

Finding the Fourth Proportional to 142,484.04, 212,673.78 and 125,674.56

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Solution

The fourth proportional to 142,484.04, 212,673.78 and 125,674.56 is: 187,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,484.04 : 212,673.78 = 125,674.56 : x
  2. Step 2: Convert to fraction form
    142,484.04/212,673.78 = 125,674.56/x
  3. Step 3: Cross multiply
    142,484.04x = 212,673.78 × 125,674.56
  4. Step 4: Simplify right side
    142,484.04x = 26,727,683,725.04
  5. Step 5: Solve for x
    x = 26,727,683,725.04/142,484.04
  6. Step 6: Final answer
    x = 187,583.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.