Home / 155,639.80-233,459.70-50,457.40

Finding the Fourth Proportional to 155,639.80, 233,459.70 and 50,457.40

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Solution

The fourth proportional to 155,639.80, 233,459.70 and 50,457.40 is: 75,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,639.80 : 233,459.70 = 50,457.40 : x
  2. Step 2: Convert to fraction form
    155,639.80/233,459.70 = 50,457.40/x
  3. Step 3: Cross multiply
    155,639.80x = 233,459.70 × 50,457.40
  4. Step 4: Simplify right side
    155,639.80x = 11,779,769,466.78
  5. Step 5: Solve for x
    x = 11,779,769,466.78/155,639.80
  6. Step 6: Final answer
    x = 75,686.10

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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.