Home / 142,737.04-196,897.76-112,410.64

Finding the Fourth Proportional to 142,737.04, 196,897.76 and 112,410.64

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Solution

The fourth proportional to 142,737.04, 196,897.76 and 112,410.64 is: 155,064.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,737.04 : 196,897.76 = 112,410.64 : x
  2. Step 2: Convert to fraction form
    142,737.04/196,897.76 = 112,410.64/x
  3. Step 3: Cross multiply
    142,737.04x = 196,897.76 × 112,410.64
  4. Step 4: Simplify right side
    142,737.04x = 22,133,403,216.17
  5. Step 5: Solve for x
    x = 22,133,403,216.17/142,737.04
  6. Step 6: Final answer
    x = 155,064.19

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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.