Home / 258,740.10-357,052.05-144,014.94

Finding the Fourth Proportional to 258,740.10, 357,052.05 and 144,014.94

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Solution

The fourth proportional to 258,740.10, 357,052.05 and 144,014.94 is: 198,735.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,740.10 : 357,052.05 = 144,014.94 : x
  2. Step 2: Convert to fraction form
    258,740.10/357,052.05 = 144,014.94/x
  3. Step 3: Cross multiply
    258,740.10x = 357,052.05 × 144,014.94
  4. Step 4: Simplify right side
    258,740.10x = 51,420,829,557.63
  5. Step 5: Solve for x
    x = 51,420,829,557.63/258,740.10
  6. Step 6: Final answer
    x = 198,735.45

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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.