Home / 145,569.94-218,225.05-56,802.80

Finding the Fourth Proportional to 145,569.94, 218,225.05 and 56,802.80

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Solution

The fourth proportional to 145,569.94, 218,225.05 and 56,802.80 is: 85,153.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,569.94 : 218,225.05 = 56,802.80 : x
  2. Step 2: Convert to fraction form
    145,569.94/218,225.05 = 56,802.80/x
  3. Step 3: Cross multiply
    145,569.94x = 218,225.05 × 56,802.80
  4. Step 4: Simplify right side
    145,569.94x = 12,395,793,870.14
  5. Step 5: Solve for x
    x = 12,395,793,870.14/145,569.94
  6. Step 6: Final answer
    x = 85,153.53

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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.