Home / 139,250.04-208,703.54-54,925.40

Finding the Fourth Proportional to 139,250.04, 208,703.54 and 54,925.40

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Solution

The fourth proportional to 139,250.04, 208,703.54 and 54,925.40 is: 82,320.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,250.04 : 208,703.54 = 54,925.40 : x
  2. Step 2: Convert to fraction form
    139,250.04/208,703.54 = 54,925.40/x
  3. Step 3: Cross multiply
    139,250.04x = 208,703.54 × 54,925.40
  4. Step 4: Simplify right side
    139,250.04x = 11,463,125,415.92
  5. Step 5: Solve for x
    x = 11,463,125,415.92/139,250.04
  6. Step 6: Final answer
    x = 82,320.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.