Home / 97,142.36-145,502.63-47,117.32

Finding the Fourth Proportional to 97,142.36, 145,502.63 and 47,117.32

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Solution

The fourth proportional to 97,142.36, 145,502.63 and 47,117.32 is: 70,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,142.36 : 145,502.63 = 47,117.32 : x
  2. Step 2: Convert to fraction form
    97,142.36/145,502.63 = 47,117.32/x
  3. Step 3: Cross multiply
    97,142.36x = 145,502.63 × 47,117.32
  4. Step 4: Simplify right side
    97,142.36x = 6,855,693,965.12
  5. Step 5: Solve for x
    x = 6,855,693,965.12/97,142.36
  6. Step 6: Final answer
    x = 70,573.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.