Home / 145,810.60-218,688.90-40,607.80

Finding the Fourth Proportional to 145,810.60, 218,688.90 and 40,607.80

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Solution

The fourth proportional to 145,810.60, 218,688.90 and 40,607.80 is: 60,904.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,810.60 : 218,688.90 = 40,607.80 : x
  2. Step 2: Convert to fraction form
    145,810.60/218,688.90 = 40,607.80/x
  3. Step 3: Cross multiply
    145,810.60x = 218,688.90 × 40,607.80
  4. Step 4: Simplify right side
    145,810.60x = 8,880,475,113.42
  5. Step 5: Solve for x
    x = 8,880,475,113.42/145,810.60
  6. Step 6: Final answer
    x = 60,904.18

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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.