Home / 134,829.28-186,056.04-74,400.40

Finding the Fourth Proportional to 134,829.28, 186,056.04 and 74,400.40

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Solution

The fourth proportional to 134,829.28, 186,056.04 and 74,400.40 is: 102,667.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,829.28 : 186,056.04 = 74,400.40 : x
  2. Step 2: Convert to fraction form
    134,829.28/186,056.04 = 74,400.40/x
  3. Step 3: Cross multiply
    134,829.28x = 186,056.04 × 74,400.40
  4. Step 4: Simplify right side
    134,829.28x = 13,842,643,798.42
  5. Step 5: Solve for x
    x = 13,842,643,798.42/134,829.28
  6. Step 6: Final answer
    x = 102,667.94

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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.