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Finding the Fourth Proportional to 109,748, 151,453.32 and 59,448.08

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Solution

The fourth proportional to 109,748, 151,453.32 and 59,448.08 is: 82,038.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,748 : 151,453.32 = 59,448.08 : x
  2. Step 2: Convert to fraction form
    109,748/151,453.32 = 59,448.08/x
  3. Step 3: Cross multiply
    109,748x = 151,453.32 × 59,448.08
  4. Step 4: Simplify right side
    109,748x = 9,003,609,083.63
  5. Step 5: Solve for x
    x = 9,003,609,083.63/109,748
  6. Step 6: Final answer
    x = 82,038.94

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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.