Home / 93,287.60-139,931.40-89,788.40

Finding the Fourth Proportional to 93,287.60, 139,931.40 and 89,788.40

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Solution

The fourth proportional to 93,287.60, 139,931.40 and 89,788.40 is: 134,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,287.60 : 139,931.40 = 89,788.40 : x
  2. Step 2: Convert to fraction form
    93,287.60/139,931.40 = 89,788.40/x
  3. Step 3: Cross multiply
    93,287.60x = 139,931.40 × 89,788.40
  4. Step 4: Simplify right side
    93,287.60x = 12,564,216,515.76
  5. Step 5: Solve for x
    x = 12,564,216,515.76/93,287.60
  6. Step 6: Final answer
    x = 134,682.60

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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.