Home / 112,916.10-155,823.90-64,533.04

Finding the Fourth Proportional to 112,916.10, 155,823.90 and 64,533.04

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Solution

The fourth proportional to 112,916.10, 155,823.90 and 64,533.04 is: 89,055.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,916.10 : 155,823.90 = 64,533.04 : x
  2. Step 2: Convert to fraction form
    112,916.10/155,823.90 = 64,533.04/x
  3. Step 3: Cross multiply
    112,916.10x = 155,823.90 × 64,533.04
  4. Step 4: Simplify right side
    112,916.10x = 10,055,789,971.66
  5. Step 5: Solve for x
    x = 10,055,789,971.66/112,916.10
  6. Step 6: Final answer
    x = 89,055.41

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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.