Home / 102,946.80-142,068.03-59,315.24

Finding the Fourth Proportional to 102,946.80, 142,068.03 and 59,315.24

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Solution

The fourth proportional to 102,946.80, 142,068.03 and 59,315.24 is: 81,855.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,946.80 : 142,068.03 = 59,315.24 : x
  2. Step 2: Convert to fraction form
    102,946.80/142,068.03 = 59,315.24/x
  3. Step 3: Cross multiply
    102,946.80x = 142,068.03 × 59,315.24
  4. Step 4: Simplify right side
    102,946.80x = 8,426,798,807.87
  5. Step 5: Solve for x
    x = 8,426,798,807.87/102,946.80
  6. Step 6: Final answer
    x = 81,855.86

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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.