Home / 98,740.09-148,193.07-42,622.58

Finding the Fourth Proportional to 98,740.09, 148,193.07 and 42,622.58

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Solution

The fourth proportional to 98,740.09, 148,193.07 and 42,622.58 is: 63,969.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,740.09 : 148,193.07 = 42,622.58 : x
  2. Step 2: Convert to fraction form
    98,740.09/148,193.07 = 42,622.58/x
  3. Step 3: Cross multiply
    98,740.09x = 148,193.07 × 42,622.58
  4. Step 4: Simplify right side
    98,740.09x = 6,316,370,981.52
  5. Step 5: Solve for x
    x = 6,316,370,981.52/98,740.09
  6. Step 6: Final answer
    x = 63,969.67

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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.