Home / 104,434.69-144,120.05-56,688.03

Finding the Fourth Proportional to 104,434.69, 144,120.05 and 56,688.03

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Solution

The fourth proportional to 104,434.69, 144,120.05 and 56,688.03 is: 78,229.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,434.69 : 144,120.05 = 56,688.03 : x
  2. Step 2: Convert to fraction form
    104,434.69/144,120.05 = 56,688.03/x
  3. Step 3: Cross multiply
    104,434.69x = 144,120.05 × 56,688.03
  4. Step 4: Simplify right side
    104,434.69x = 8,169,881,718.00
  5. Step 5: Solve for x
    x = 8,169,881,718.00/104,434.69
  6. Step 6: Final answer
    x = 78,229.58

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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.