Home / 93,715.80-140,573.70-31,386.30

Finding the Fourth Proportional to 93,715.80, 140,573.70 and 31,386.30

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Solution

The fourth proportional to 93,715.80, 140,573.70 and 31,386.30 is: 47,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,715.80 : 140,573.70 = 31,386.30 : x
  2. Step 2: Convert to fraction form
    93,715.80/140,573.70 = 31,386.30/x
  3. Step 3: Cross multiply
    93,715.80x = 140,573.70 × 31,386.30
  4. Step 4: Simplify right side
    93,715.80x = 4,412,088,320.31
  5. Step 5: Solve for x
    x = 4,412,088,320.31/93,715.80
  6. Step 6: Final answer
    x = 47,079.45

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1.5x scale

Why These Related Problems?

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