Home / 104,273.51-143,897.45-56,526.71

Finding the Fourth Proportional to 104,273.51, 143,897.45 and 56,526.71

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Solution

The fourth proportional to 104,273.51, 143,897.45 and 56,526.71 is: 78,006.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,273.51 : 143,897.45 = 56,526.71 : x
  2. Step 2: Convert to fraction form
    104,273.51/143,897.45 = 56,526.71/x
  3. Step 3: Cross multiply
    104,273.51x = 143,897.45 × 56,526.71
  4. Step 4: Simplify right side
    104,273.51x = 8,134,048,423.77
  5. Step 5: Solve for x
    x = 8,134,048,423.77/104,273.51
  6. Step 6: Final answer
    x = 78,006.86

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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.