Home / 142,740.04-196,901.90-112,413.64

Finding the Fourth Proportional to 142,740.04, 196,901.90 and 112,413.64

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Solution

The fourth proportional to 142,740.04, 196,901.90 and 112,413.64 is: 155,068.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,740.04 : 196,901.90 = 112,413.64 : x
  2. Step 2: Convert to fraction form
    142,740.04/196,901.90 = 112,413.64/x
  3. Step 3: Cross multiply
    142,740.04x = 196,901.90 × 112,413.64
  4. Step 4: Simplify right side
    142,740.04x = 22,134,459,301.92
  5. Step 5: Solve for x
    x = 22,134,459,301.92/142,740.04
  6. Step 6: Final answer
    x = 155,068.33

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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.