Home / 133,675.71-184,465.45-76,312.77

Finding the Fourth Proportional to 133,675.71, 184,465.45 and 76,312.77

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Solution

The fourth proportional to 133,675.71, 184,465.45 and 76,312.77 is: 105,307.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,675.71 : 184,465.45 = 76,312.77 : x
  2. Step 2: Convert to fraction form
    133,675.71/184,465.45 = 76,312.77/x
  3. Step 3: Cross multiply
    133,675.71x = 184,465.45 × 76,312.77
  4. Step 4: Simplify right side
    133,675.71x = 14,077,069,458.80
  5. Step 5: Solve for x
    x = 14,077,069,458.80/133,675.71
  6. Step 6: Final answer
    x = 105,307.61

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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.