Home / 145,715.02-218,606.94-45,875.20

Finding the Fourth Proportional to 145,715.02, 218,606.94 and 45,875.20

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Solution

The fourth proportional to 145,715.02, 218,606.94 and 45,875.20 is: 68,823.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,715.02 : 218,606.94 = 45,875.20 : x
  2. Step 2: Convert to fraction form
    145,715.02/218,606.94 = 45,875.20/x
  3. Step 3: Cross multiply
    145,715.02x = 218,606.94 × 45,875.20
  4. Step 4: Simplify right side
    145,715.02x = 10,028,637,093.89
  5. Step 5: Solve for x
    x = 10,028,637,093.89/145,715.02
  6. Step 6: Final answer
    x = 68,823.63

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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.