Home / 75,228.36-112,842.32-19,068.31

Finding the Fourth Proportional to 75,228.36, 112,842.32 and 19,068.31

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Solution

The fourth proportional to 75,228.36, 112,842.32 and 19,068.31 is: 28,602.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,228.36 : 112,842.32 = 19,068.31 : x
  2. Step 2: Convert to fraction form
    75,228.36/112,842.32 = 19,068.31/x
  3. Step 3: Cross multiply
    75,228.36x = 112,842.32 × 19,068.31
  4. Step 4: Simplify right side
    75,228.36x = 2,151,712,384.59
  5. Step 5: Solve for x
    x = 2,151,712,384.59/75,228.36
  6. Step 6: Final answer
    x = 28,602.41

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1.5x scale

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.