Home / 184,729.04-254,807.88-128,119.76

Finding the Fourth Proportional to 184,729.04, 254,807.88 and 128,119.76

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Solution

The fourth proportional to 184,729.04, 254,807.88 and 128,119.76 is: 176,723.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,729.04 : 254,807.88 = 128,119.76 : x
  2. Step 2: Convert to fraction form
    184,729.04/254,807.88 = 128,119.76/x
  3. Step 3: Cross multiply
    184,729.04x = 254,807.88 × 128,119.76
  4. Step 4: Simplify right side
    184,729.04x = 32,645,924,431.71
  5. Step 5: Solve for x
    x = 32,645,924,431.71/184,729.04
  6. Step 6: Final answer
    x = 176,723.29

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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.