Home / 91,688.34-137,533.72-29,358.84

Finding the Fourth Proportional to 91,688.34, 137,533.72 and 29,358.84

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Solution

The fourth proportional to 91,688.34, 137,533.72 and 29,358.84 is: 44,038.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,688.34 : 137,533.72 = 29,358.84 : x
  2. Step 2: Convert to fraction form
    91,688.34/137,533.72 = 29,358.84/x
  3. Step 3: Cross multiply
    91,688.34x = 137,533.72 × 29,358.84
  4. Step 4: Simplify right side
    91,688.34x = 4,037,830,480.08
  5. Step 5: Solve for x
    x = 4,037,830,480.08/91,688.34
  6. Step 6: Final answer
    x = 44,038.65

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1.5x scale

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.