Home / 102,416.06-141,342.58-56,484.69

Finding the Fourth Proportional to 102,416.06, 141,342.58 and 56,484.69

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Solution

The fourth proportional to 102,416.06, 141,342.58 and 56,484.69 is: 77,953.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,416.06 : 141,342.58 = 56,484.69 : x
  2. Step 2: Convert to fraction form
    102,416.06/141,342.58 = 56,484.69/x
  3. Step 3: Cross multiply
    102,416.06x = 141,342.58 × 56,484.69
  4. Step 4: Simplify right side
    102,416.06x = 7,983,691,355.67
  5. Step 5: Solve for x
    x = 7,983,691,355.67/102,416.06
  6. Step 6: Final answer
    x = 77,953.51

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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.