Home / 105,477.84-145,558.29-60,154.65

Finding the Fourth Proportional to 105,477.84, 145,558.29 and 60,154.65

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Solution

The fourth proportional to 105,477.84, 145,558.29 and 60,154.65 is: 83,012.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,477.84 : 145,558.29 = 60,154.65 : x
  2. Step 2: Convert to fraction form
    105,477.84/145,558.29 = 60,154.65/x
  3. Step 3: Cross multiply
    105,477.84x = 145,558.29 × 60,154.65
  4. Step 4: Simplify right side
    105,477.84x = 8,756,007,989.55
  5. Step 5: Solve for x
    x = 8,756,007,989.55/105,477.84
  6. Step 6: Final answer
    x = 83,012.77

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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.