Home / 105,200.64-157,800.96-42,860.16

Finding the Fourth Proportional to 105,200.64, 157,800.96 and 42,860.16

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Solution

The fourth proportional to 105,200.64, 157,800.96 and 42,860.16 is: 64,290.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,200.64 : 157,800.96 = 42,860.16 : x
  2. Step 2: Convert to fraction form
    105,200.64/157,800.96 = 42,860.16/x
  3. Step 3: Cross multiply
    105,200.64x = 157,800.96 × 42,860.16
  4. Step 4: Simplify right side
    105,200.64x = 6,763,374,393.75
  5. Step 5: Solve for x
    x = 6,763,374,393.75/105,200.64
  6. Step 6: Final answer
    x = 64,290.24

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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.