Home / 102,056.09-140,841.01-56,119.23

Finding the Fourth Proportional to 102,056.09, 140,841.01 and 56,119.23

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Solution

The fourth proportional to 102,056.09, 140,841.01 and 56,119.23 is: 77,446.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,056.09 : 140,841.01 = 56,119.23 : x
  2. Step 2: Convert to fraction form
    102,056.09/140,841.01 = 56,119.23/x
  3. Step 3: Cross multiply
    102,056.09x = 140,841.01 × 56,119.23
  4. Step 4: Simplify right side
    102,056.09x = 7,903,889,103.77
  5. Step 5: Solve for x
    x = 7,903,889,103.77/102,056.09
  6. Step 6: Final answer
    x = 77,446.52

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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.