Home / 133,929.08-184,820.56-77,339.24

Finding the Fourth Proportional to 133,929.08, 184,820.56 and 77,339.24

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Solution

The fourth proportional to 133,929.08, 184,820.56 and 77,339.24 is: 106,727.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,929.08 : 184,820.56 = 77,339.24 : x
  2. Step 2: Convert to fraction form
    133,929.08/184,820.56 = 77,339.24/x
  3. Step 3: Cross multiply
    133,929.08x = 184,820.56 × 77,339.24
  4. Step 4: Simplify right side
    133,929.08x = 14,293,881,646.77
  5. Step 5: Solve for x
    x = 14,293,881,646.77/133,929.08
  6. Step 6: Final answer
    x = 106,727.24

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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.