Home / 109,023.60-163,413.90-42,441.60

Finding the Fourth Proportional to 109,023.60, 163,413.90 and 42,441.60

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Solution

The fourth proportional to 109,023.60, 163,413.90 and 42,441.60 is: 63,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,023.60 : 163,413.90 = 42,441.60 : x
  2. Step 2: Convert to fraction form
    109,023.60/163,413.90 = 42,441.60/x
  3. Step 3: Cross multiply
    109,023.60x = 163,413.90 × 42,441.60
  4. Step 4: Simplify right side
    109,023.60x = 6,935,547,378.24
  5. Step 5: Solve for x
    x = 6,935,547,378.24/109,023.60
  6. Step 6: Final answer
    x = 63,615.10

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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.